Kilogram to Pound Converter
Converts kilogram to pound (kg to lb) and back. The conversion factor is shown below every result.
How to Convert Kilogram to Pound
What Is a Kilogram?
The kilogram (kg) is the SI base unit of mass.
What Is a Pound?
The pound (lb), avoirdupois, is a US customary and imperial unit of mass defined as exactly 0.45359237 kilograms.
Common Kilogram to Pound Reference Points
Real-world reference values for quick sanity checks.
| Item | Kilogram (kg) | Pound (approx.) |
|---|---|---|
| A newborn baby (average) | 3.4 kg | 7.5 lb |
| A checked airline bag limit | 23 kg | 50.7 lb |
| A bag of cement | 42.6 kg | 94 lb |
| Reference values are illustrative approximations for common items, not measured specifications. | ||
Kilogram to Pound Conversion Table
| Kilogram (kg) | Pound (lb) |
|---|---|
| 1 kg | 2.204623 lb |
| 2 kg | 4.409245 lb |
| 5 kg | 11.023113 lb |
| 10 kg | 22.046226 lb |
| 20 kg | 44.092452 lb |
| 25 kg | 55.115566 lb |
| 50 kg | 110.231131 lb |
| 75 kg | 165.346697 lb |
| 100 kg | 220.462262 lb |
| 150 kg | 330.693393 lb |
| Source: NIST SP 811, Appendix B (1959 International Yard and Pound Agreement: 1 lb = 0.45359237 kg exactly) | |
Frequently Asked Questions
How do I convert kilograms to pounds?
Multiply the kilogram value by 2.2046226218. For example, 70 kg × 2.2046226218 = 154.324 lb.
Why is 1 kg equal to 2.2046226218 lb specifically?
The pound is defined as exactly 0.45359237 kg under the 1959 International Yard and Pound Agreement. Dividing 1 by 0.45359237 gives the kg-to-lb factor shown here.
Is this the same pound used for gold or precious metals?
No. Precious metals are typically weighed in troy ounces and troy pounds, a different, older system (1 troy pound = 0.3732417216 kg). This converter uses the avoirdupois pound, the everyday pound used for body weight, groceries, and shipping.
Related Weight & Mass Converters
A good measuring tool marked in both kg and lb removes the guesswork at the point of use.